Sahih Bukhari
Holding Fast to the Quran and Sunnah
Volume: 009 / Book Number: 092 / Hadith Number: 444
Narrated 'Abdullah bin 'Umar:
The Prophet had a dream in the last portion of the night when he was sleeping at Dhul-Hulaifa. (I n the dream) it was said to him, "You are in a blessed Batha' (i.e., valley)."